Intel Core Ultra 7 255H vs Intel Core Ultra 9 285HX
69.7Single-core76.8
56.8Multi-core83.4
75.7Efficiencyspec-based44.4
75.9iGPU60.5
60.5Platformspec-based73.9
2 spec wins — Intel Core Ultra 7 255H14 spec wins — Intel Core Ultra 9 285HX
InnoReviews verdict
Intel Core Ultra 9 285HX wins this laptop processor face-off, 72.2 to 65.3, pulling ahead mainly in multi-core (+27) and single-core (+7). Intel Core Ultra 7 255H still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Intel Core Ultra 7 255H
- Stronger iGPU score: 76 vs 61
- 100% higher 3DMark Time Spy Graphics (iGPU): 3,719 vs 1,855
- 49% lower Base TDP: 28 W vs 55 W
Reasons to pick the Intel Core Ultra 9 285HX
- Stronger single-core score: 77 vs 70
- Stronger multi-core score: 83 vs 57
- 101% higher Cinebench R23 (multi): 37,500 vs 18,624
- 100% higher Max memory: 256 GB vs 128 GB
- 84% higher PassMark: 56,512 vs 30,782
General
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 9 285HX |
|---|---|---|
| Announced | 2025 | 2025 |
| Process | 3 nm | 3 nm |
| Base TDP | 28 W+49% | 55 W |
| Max TDP | 115 W | 160 W+39% |
Cores & Clocks
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 9 285HX |
|---|---|---|
| Cores | 16 | 24+50% |
| Performance cores | 6 | 8+33% |
| Efficiency cores | 10 | 16+60% |
| Threads | 16 | 24+50% |
| Base clock | 2 GHz | 2.8 GHz+40% |
| Boost clock | 5.1 GHz | 5.5 GHz+8% |
| L3 cache | 24 MB | 36 MB+50% |
Integrated GPU
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 9 285HX |
|---|---|---|
| iGPU | Intel Arc 140T | Intel Graphics (4 Xe-cores) |
| iGPU clock | 2,250 MHz | 2,000 MHz |
Memory
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 9 285HX |
|---|---|---|
| Memory support | LPDDR5X-8400 / DDR5-6400 | DDR5-6400 |
| Max memory | 128 GB | 256 GB+100% |
Benchmarks
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 9 285HX |
|---|---|---|
| Geekbench 6 (single) | 2,851Top 29% | 3,150+10%Top 12% |
| Geekbench 6 (multi) | 15,362Top 23% | 20,500+33%Top 12% |
| Cinebench R23 (single) | 2,055Top 18% | 2,250+9%Top 4% |
| Cinebench R23 (multi) | 18,624Top 20% | 37,500+101%Top 3% |
| PassMark | 30,782Top 21% | 56,512+84%Top 4% |
| 3DMark Time Spy Graphics (iGPU) | 3,719+100%Top 7% | 1,855Top 36% |
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